<template>
    <div class="shopcar-container">
        
       <div class="goods-list">
           <!-- 商品列表项目区域 -->
           <div class="mui-card" v-for="(item, i) in goodslist" :key="item.id">
				<div class="mui-card-content">
					<div class="mui-card-content-inner">
						<mt-switch v-model="$store.getters.getGoodsSelected[item.id]"
                        @change="selectedChanged(item.id,$store.getters.getGoodsSelected[item.id])"></mt-switch>
                        <img src="https://i1.mifile.cn/f/i/g/2015/cn-index/qingchun-140.png" alt="">
                        <div class="info">
                            <h1>{{ item.title }}</h1>
                            <p>
                                <span class="price">￥{{ item.sell_price }}</span>
                                <numbox :initcount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></numbox>
                                <a href="#" @click.prevent="remove(item.id,i)">删除</a>
                            </p>
                        </div>
                    </div>
				</div>
			</div>
       </div>
       
        <!-- 结算区域 -->
        <div class="mui-card">
            <div class="mui-card-content">
                <div class="mui-card-content-inner jiesuan">
                    <div class="left">
                        <p>总计（不含运费）</p>
                        <p>已勾选商品 <span class="red">{{ $store.getters.getGoodsCountAndAmount.count }}</span> 件，总价 ￥<span class="red">{{ $store.getters.getGoodsCountAndAmount.amount }}</span></p>
                    </div>
                    <mt-button type="danger">去结算</mt-button>
                </div>
            </div>
		</div>

        <p>{{ $store.getters.getGoodsSelected}}</p>

    </div>
</template>
<script>
import numbox from '../subcomponents/shopcar_numbox.vue'
export default {
    data(){
        return {
            goodslist:[
                {
                    cou:1,
                    id:87,
                    title:'华为（HUAWEI）荣耀6Plus 16G双4G版',
                    sell_price:2195,
                    thumb_path:''
                },
                {
                    cou:1,
                    id:88,
                    title:'华为（HUAWEI）荣耀6Plus 16G双4G版',
                    sell_price:2195,
                    thumb_path:''
                },
                {
                    cou:1,
                    id:89,
                    title:'华为（HUAWEI）荣耀6Plus 16G双4G版',
                    sell_price:2195,
                    thumb_path:''
                },
                {
                    cou:1,
                    id:92,
                    title:'华为（HUAWEI）荣耀6Plus 16G双4G版',
                    sell_price:2195,
                    thumb_path:''
                }
            ], // 购物车中所有商品的数据
        }
    },
    created(){
        this.getGoodsList();
    },
    methods:{
        getGoodsList(){
            // 1.获取到 store 中 所有的商品的Id,然后拼接出一个 用逗号分隔的 字符串
            var idArr = [];
            var idStr;
            this.$store.state.car.forEach(item=>{
                idArr.push(item.id)
            }
            )
            idStr = idArr.join(",");
            // 如果购物车中没有商品，则直接返回，不需要请求数据接口，否则会被报错
            if(idArr.length<=0){
                return;
            }
            // 获取购物车商品列表
            this.$http.get('api/goods/getshopcarlist/' + idStr).then(result=>{
                if(result.body.status === 0) {
                    this.goodslist = result.body.message;
                }
            })
        },
        remove(id,index) {
            // 点击删除，把商品从 store 中根据传递的id 来删除，同时，把当前组件中的goodslist中对应要删除的那个商品，
            // 使用 index 来删除
            this.goodslist.splice(index,1);
            this.$store.commit('removeFormCar',id)
        },
        selectedChanged(id,val){
            // 每当点击开关，把最新的开关状态，同步到 store 中
            console.log(id+'---'+val);
            this.$store.commit('updateGoodsSelected',{id,selected:val})
        }
    },
    components:{
        numbox
    }
}
</script>
<style lang="scss" scoped>
.shopcar-container{
    background-color: #eee;
    overflow: hidden ;
    .goods-list{
        .mui-card-content-inner{
            display: flex;
            align-items: center;
        }
        img{
            width: 60px;
            height: 60px;
        }
        h1{
            font-size: 13px;
            margin: 0;
        }
        .info{
            
            p{
                margin:5px 0;
            }
            .price{
                color: red;
                font-weight: bold;
            }
        }
    }
    .jiesuan{
        display: flex;
        justify-content: space-between;
        align-items: center;
        .red{
            color: red;
            font-weight: bold;
            font-size: 16px;
        }
    }
}
</style>
